HP Pavilion Dv4 2100 Entertainment Notebook Pc Series Manual

							Removal and replacement procedures
Maintenance and Service Guide4–19
Optical drive
✎The optical drive spare part kit includes an optical drive bezel and bracket. 
Before removing the optical drive: 
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, 
and then shut it down through the operating system. 
2. Disconnect all external devices connected to the computer. 
3. Disconnect the power from the computer by first disconnecting the power cord from the AC outlet and then 
disconnecting the AC adapter from the computer. 
4. Remove the battery (see “Battery” on page 4-7). 
Remove the optical drive:
1. Position the computer with the right side toward you.
2. Slide the release latch 1 away from the battery bay. 
3. Remove the optical drive 2.
Reverse this procedure to reassemble and install the optical drive. 
DescriptionSpare part number
Blu-ray ROM DVD±R/RW SuperMulti DL Drive with LightScribe508123-001
DVD±R/RW SuperMulti DL Drive with LightScribe482177-001 
						

							4–20Maintenance and Service Guide
Removal and replacement procedures
Keyboard
Before removing the keyboard: 
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, 
and then shut it down through the operating system. 
2. Disconnect all external devices connected to the computer. 
3. Disconnect the AC adapter from the computer. 
4. Remove the battery (see “Battery” on page 4-7). 
5. Remove the hard drive cover (see “Hard Drive” on page 4-8).
6. Remove the Mini Card compartment cover (see “RTC battery” on page 4-12).
7. Remove the optical drive (see “Optical drive” on page 4-19).
DescriptionSpare part number
Black computer models (textured) in:
Brazil570755-201
French Canada570755-121
Japan570755-291
Latin America570755-161
South Korea570755-AD1
Ta i w a n570755-AB1
Thailand570755-281
the United States570755-001
Black computer models in:
Brazil 518793-201
French Canada518787-121
Japan518793-291
Latin America 518793-161
South Korea518793-AD1
Ta i w a n518793-AB1
Thailand518793-281
the United States518793-001
White computer models in:
Brazil 538108-201
French Canada 518792-121
Japan538108-291
Latin America 538108-161
South Korea538108-AD1
Ta i w a n538108-AB1
Thailand538108-281
the United States538108-001 
						

							Removal and replacement procedures
Maintenance and Service Guide4–21
Remove the keyboard:
1. Remove the three Phillips PM2.5×15.0 screws that secure the keyboard to the computer. 
2. Turn the computer display-side up with the front toward you.
3. Open the computer as far as possible.
4. Lift the rear edge of the keyboard 1 until it rests at an angle.
✎The keyboard is secured by double-sided tape.
5. Slide the keyboard 2 back until the tabs on the bottom of the keyboard are clear of the keyboard cover. 
						

							4–22Maintenance and Service Guide
Removal and replacement procedures
6. Release the zero insertion force (ZIF) connector 1 to which the keyboard cable is attached, and disconnect 
the
 keyboard cable 2 from the system board. 
7. Remove the keyboard.
Reverse this procedure to install the keyboard. 
						

							Removal and replacement procedures
Maintenance and Service Guide4–23
Keyboard cover
Before removing the keyboard cover: 
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, 
and then shut it down through the operating system. 
2. Disconnect all external devices connected to the computer. 
3. Disconnect the power from the computer by first disconnecting the power cord from the AC outlet and then 
disconnecting the AC adapter from the computer. 
4. Remove the battery (see “Battery” on page 4-7). 
5. Remove the following components: 
a. Hard Drive cover (see “Hard Drive” on page 4-8)
b. Mini Card compartment cover (see “RTC battery” on page 4-12)
c. Optical drive (see “Optical drive” on page 4-19)
d. Keyboard (see “Keyboard” on page 4-20)
Remove the keyboard cover:
1. Remove the two Phillips PM2.5×8.0 screws 1 and the five Phillips PM2.5×3.0 screws 2 that secure the 
keyboard cover to the computer.
DescriptionSpare part number
Black computer models539729-001
White computer models539728-001
Plaid computer models594532-001 
						

							4–24Maintenance and Service Guide
Removal and replacement procedures
2. Turn the computer display-side up with the front toward you.
3. Open the computer as far as possible.
4. Remove the Phillips PM2.5×8.0 screw 1 and the Phillips PM2.5×4.0 screw 2 securing the keyboard cover to 
the top cover.
5. Disconnect the LED board cable 3.
6. Release the keyboard cover 4 by sliding it toward the display assembly until it disengages from the computer.
7. Remove the keyboard cover.
Reverse this procedure to install the keyboard cover. 
						

							Removal and replacement procedures
Maintenance and Service Guide4–25
Power button board
Before removing the power button board: 
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, 
and then shut it down through the operating system. 
2. Disconnect all external devices connected to the computer. 
3. Disconnect the power from the computer by first disconnecting the power cord from the AC outlet and then 
disconnecting the AC adapter from the computer. 
4. Remove the battery (see “Battery” on page 4-7). 
5. Remove the following components: 
a. Hard Drive (see “Hard Drive” on page 4-8)
b. Mini Card compartment cover (see “RTC battery” on page 4-12)
c. Optical drive (see “Optical drive” on page 4-19)
d. Keyboard (see “Keyboard” on page 4-20)
e. Keyboard cover (see “Keyboard cover” on page 4-23) 
Remove the power button board:
1. Disconnect the power button board cable 1 from the system board.
2. Remove the Phillips PM2.5×3.0 screw 2 that secures the power button board to the system board.
3. Remove the power button board 3.
Reverse this procedure to install the power button board.
DescriptionSpare part number
Power button board (includes cable)486853-001 
						

							4–26Maintenance and Service Guide
Removal and replacement procedures
Speaker assembly
Before removing the speaker assembly: 
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, 
and then shut it down through the operating system. 
2. Disconnect all external devices connected to the computer. 
3. Disconnect the power from the computer by first disconnecting the power cord from the AC outlet and then 
disconnecting the AC adapter from the computer. 
4. Remove the battery (see “Battery” on page 4-7).
5. Remove the following components:
a. Hard Drive cover (see “Hard Drive” on page 4-8)
b. Mini Card compartment cover (see “RTC battery” on page 4-12)
c. Optical drive cover (see “Optical drive” on page 4-19)
d. Keyboard (see “Keyboard” on page 4-20)
e. Keyboard cover (see “Keyboard cover” on page 4-23)
Remove the speaker assembly:
1. Disconnect the display lid switch 1 from the system board.
2. Remove the two Phillips PM2.5×3.0 screws 2 that secure the speaker assembly to the computer.
3. Remove the Phillips PM2.5×8.0 screw 3 that secures the speaker assembly to the computer.
4. Disconnect the speaker cable 4 from the system board.
5. Lift the speaker assembly 5 straight up to remove it from the computer.
Reverse this procedure to install the speaker assembly.
Description Spare part number
All courtries and regions except India486837-001
India486865-D61 
						

							Removal and replacement procedures
Maintenance and Service Guide4–27
Display assembly
✎The display assembly spare part kit includes two WLAN antenna transceivers and cables, webcam, microphone, 
nameplate, and logo.
Before removing the display assembly: 
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, 
and then shut it down through the operating system. 
2. Disconnect all external devices connected to the computer. 
3. Disconnect the power from the computer by first disconnecting the power cord from the AC outlet and then 
disconnecting the AC adapter from the computer. 
4. Remove the battery (see “Battery” on page 4-7). 
5. Disconnect the wireless antenna cables from the WLAN module (see “WLAN module” on page 4-15).
6. Remove the following components:
a. Hard Drive cover (see “Hard Drive” on page 4-8)
b. Mini Card compartment cover (see “RTC battery” on page 4-12)
c. Optical drive (see “Optical drive” on page 4-19)
d. Keyboard (see “Keyboard” on page 4-20)
e. Keyboard cover (see “Keyboard cover” on page 4-23)
f. Speaker assembly (see “Speaker assembly” on page 4-26)
DescriptionSpare part number
14.1-in WXGA BrightView display assembly for use with black computer models594110-001
14.1-in WXGA BrightView display assembly with wireless mobile broadband for use with black 
computer models
594110-002
14.1-in WXGA BrightView display assembly for use with white computer models594111-001
14.1-in WXGA BrightView display assembly with wireless mobile broadband for use with white 
computer models594111-002
14.1-in WXGA BrightView display assembly for use with plaid computer models594112-001
14.1-in WXGA BrightView display assembly with wireless mobile broadband for use with plaid 
computer models594112-002 
						

							4–28Maintenance and Service Guide
Removal and replacement procedures
Remove the display assembly:
1. Turn the computer display-side up, with the front toward you.
2. Open the display as far as possible.
3. Remove the wireless antenna cable from the routing channels and clips 1 and disconnect it from the base 
enclosure 2.
4. Disconnect the display cable 3 from the system board. 
5. Remove the two Phillips PM2.5×5.0 screws 1 and the two Phillips PM2.5×8.0 screws 2 that secure the 
display assembly to the computer
6. Remove the display assembly 3.